clocksource: Long readout interval, skipping watchdog check: cs_nsec: 83841351011 wd_nsec: 83841350520
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10318 ticks this GP) idle=56a4/1/0x4000000000000000 softirq=15812/15819 fqs=4788
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1057239         33            0
rcu: 	cputime:    24716      27762           91   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=8489 q=2717 ncpus=2)
CPU: 0 UID: 0 PID: 6109 Comm: syz.2.61 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:stack_trace_consume_entry+0x0/0x280
Code: 75 0e 48 8d 65 f0 5b 41 5e 5d c3 cc cc cc cc cc e8 b5 87 c1 09 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 48 ba 00 00
RSP: 0018:ffffc900000075e0 EFLAGS: 00000282
RAX: ffffffff81b37e70 RBX: ffffc900000076a0 RCX: 05300af6a32bf000
RDX: 0000000000000001 RSI: ffffffff81b37e70 RDI: ffffc900000076a0
RBP: ffffc90000007670 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: ffffffff81ad0050 R12: ffff88801f4a3980
R13: ffff888021aec780 R14: ffffffff81ad0050 R15: ffffc900000075e8
FS:  00007fd2818166c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000025d0 CR3: 0000000020bc8000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x110/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x1bb/0x3c0
 __alloc_skb+0x112/0x2d0
 ndisc_alloc_skb+0x9f/0x480
 ndisc_send_rs+0x2b5/0x630
 addrconf_rs_timer+0x369/0x670
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90006537a60 EFLAGS: 00000286
RAX: 05300af6a32bf000 RBX: 0000000000000000 RCX: 05300af6a32bf000
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc90006537b10 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000ca6f4c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:get_futex_key+0x0/0x1640
Code: 41 5e 41 5f 5d e9 50 e5 bd 09 cc 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
RSP: 0018:ffffc90006537bd8 EFLAGS: 00000246
RAX: ffffffff81b44883 RBX: ffffc90006537c40 RCX: 0000000000000000
RDX: ffffc90006537c40 RSI: 0000000000000002 RDI: 00007fd280bb5fac
RBP: ffffc90006537cf0 R08: ffffc90006537c57 R09: 0000000000000000
R10: ffffc90006537c40 R11: fffff52000ca6f8b R12: 00007fd280bb5fac
R13: 0000000000000002 R14: dffffc0000000000 R15: 00000000ffffffff
 futex_wake+0xf8/0x500
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd28098e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd2818160e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fd280bb5fa8 RCX: 00007fd28098e9a9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fd280bb5fac
RBP: 00007fd280bb5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fd280bb5fac
R13: 0000000000000000 R14: 00007fffbfaf8540 R15: 00007fffbfaf8628
 </TASK>
sched: DL replenish lagged too much
